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//手動保存圖片???
??????? private void saveBtn_Click(object sender, System.EventArgs e)???
??????? {???
??????????? bool isSave = true;???
??????????? SaveFileDialog saveImageDialog = new SaveFileDialog();???
??????????? saveImageDialog.Title = "圖片保存";???
??????????? saveImageDialog.Filter= @"jpeg|*.jpg|bmp|*.bmp|gif|*.gif";???
??????????? if(saveImageDialog.ShowDialog() == DialogResult.OK)???
??????????? {???
??????????????? string fileName = saveImageDialog.FileName.ToString();???
??????????????? if(fileName != "" && fileName != null)???
??????????????? {???
??????????????????? string fileExtName = fileName.Substring(fileName.LastIndexOf(".")+1).ToString();???
??????????????????? System.Drawing.Imaging.ImageFormat imgformat = null;????????
??????????????????? if(fileExtName!="")???
??????????????????? {???
??????????????????????? switch(fileExtName)????
??????????????????????? {????
??????????????????????????? case "jpg":????
??????????????????????????????? imgformat = System.Drawing.Imaging.ImageFormat.Jpeg;????
??????????????????????????????? break;????
??????????????????????????? case "bmp":????
??????????????????????????????? imgformat = System.Drawing.Imaging.ImageFormat.Bmp;????
??????????????????????????????? break;????
??????????????????????????? case "gif":????
??????????????????????????????? imgformat = System.Drawing.Imaging.ImageFormat.Gif;????
??????????????????????????????? break;????
??????????????????????????? default:????
??????????????????????????????? MessageBox.Show("只能存取為: jpg,bmp,gif 格式");????
??????????????????????????????? isSave = false;???
??????????????????????????????? break;????
??????????????????????? }????
??????????????????? }???
??????????????????? //默認保存為JPG格式???
??????????????????? if(imgformat == null)???
??????????????????? {???
??????????????????????? imgformat = System.Drawing.Imaging.ImageFormat.Jpeg;???
??????????????????? }???
??????????????????? if(isSave)???
??????????????????? {???
??????????????????????? try??
??????????????????????? {???
??????????????????????????????? this.pictureBox1.Image.Save(fileName,imgformat);???
??????????????????????????????? //MessageBox.Show("圖片已經成功保存!");???
??????????????????????? }???
??????????????????????? catch??
??????????????????????? {???
??????????????????????????? MessageBox.Show("保存失敗,你還沒有截取過圖片或已經清空圖片!");???
??????????????????????? }???
??????????????????? }???
??????????????? }???
??????????? }???
??????? }???
??????? //自動保存圖片???
??????? private void Autosave()???
??????? {???
??????????? string Opath?=@"D:\VedioCapture\Photo";???
??????????? string photoname = DateTime.Now.Ticks.ToString();???
??????????? if (Opath.Substring(Opath.Length-1, 1) != @"\")???
??????????????? Opath = Opath + @"\";???
??????????? string path1 = Opath + DateTime.Now.ToShortDateString();???
??????????? if (! Directory.Exists(path1))?????????????
??????????????? Directory.CreateDirectory(path1);???
??????????? //pictureBox1.Image.Save(path1 +"\\" + photoname + ".jpg",System.Drawing.Imaging.ImageFormat.Jpeg);???
??????????? //圖像的縮小???
??????????? System.Drawing.Bitmap objPic,objNewPic;???
??????????? try??
??????????? {???
??????????????? objPic = new System.Drawing.Bitmap(pictureBox1.Image);???
??????????????? objNewPic=new System.Drawing.Bitmap(objPic,pictureBoxShow.Width,pictureBoxShow.Height);???
??????????????? //objNewPic=new System.Drawing.Bitmap(objPic,320,240);//圖片保存的大小尺寸???
??????????????? objNewPic.Save(path1 +"\\" + photoname + ".jpg",System.Drawing.Imaging.ImageFormat.Jpeg);???
??????????? }???
??????????? catch(Exception exp){throw exp;}???
??????????? finally??
??????????? {???
??????????????? objPic=null;???
??????????????? objNewPic=null;???
??????????? }???
??????? }?

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